Understanding of "Five Hearts, Five Voices and Five Priorities" in Hotel Service

What should I do for different types of customer service personnel? Five hearts? Be careful of children;

Be concerned about customers who are embarrassed to speak;

Be patient with elderly customers;

Caring for sick and disabled customers;

Be enthusiastic about ordinary customers;

Courtesy service should be done? Five tones? Is the customer helpful? Thank you? ;

Poor care? Apologize ;

Did the customer enter the store? Greetings? ;

Will the customer ask? Answer? ;

Did the customer leave the store? Send a sound? ;

Polite service is still necessary? Five firsts? Head first, then general;

First elder and then younger generation;

Children take precedence over adults.

There are female guests first, then male guests;

Guests first, then hosts;